Hi,
> -----Original Message-----
> From: Chen, Jing D
> Sent: Wednesday, June 21, 2017 10:36 AM
> To: Wang, Xiao W <xiao.w.w...@intel.com>
> Cc: dev@dpdk.org; sta...@dpdk.org
> Subject: RE: [PATCH] net/fm10k: initialize link status in device start
>
> Hi,
>
> > -----Original Message-----
> > From: Wang, Xiao W
> > Sent: Wednesday, May 31, 2017 7:07 PM
> > To: Chen, Jing D <jing.d.c...@intel.com>
> > Cc: dev@dpdk.org; Wang, Xiao W <xiao.w.w...@intel.com>;
> > sta...@dpdk.org
> > Subject: [PATCH] net/fm10k: initialize link status in device start
> >
> > If port LSC interrupt is configured, application will read link status
> > directly,
> so
> > driver need to prepare that value in advance.
>
> Fm10k host driver can't manage PHY directly and provide a fake link status,
> so it always provide a constant value, whatever lsc is set or not.
> I think you need to reorganize the message. :)
OK, thanks.
>
> >
> > Fixes: 9ae6068c86da ("fm10k: add dev start/stop")
> > Cc: sta...@dpdk.org
> >
> > Signed-off-by: Xiao Wang <xiao.w.w...@intel.com>
> > ---
> > drivers/net/fm10k/fm10k_ethdev.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/net/fm10k/fm10k_ethdev.c
> > b/drivers/net/fm10k/fm10k_ethdev.c
> > index a742eec..54bf10c 100644
> > --- a/drivers/net/fm10k/fm10k_ethdev.c
> > +++ b/drivers/net/fm10k/fm10k_ethdev.c
> > @@ -84,6 +84,8 @@ static void fm10k_MAC_filter_set(struct rte_eth_dev
> > *dev, static void fm10k_set_rx_function(struct rte_eth_dev *dev); static
> > void fm10k_set_tx_function(struct rte_eth_dev *dev); static int
> > fm10k_check_ftag(struct rte_devargs *devargs);
> > +static int fm10k_link_update(struct rte_eth_dev *dev,
> > + __rte_unused int wait_to_complete);
> >
> > struct fm10k_xstats_name_off {
> > char name[RTE_ETH_XSTATS_NAME_SIZE];
> > @@ -1166,6 +1168,9 @@ static inline int fm10k_glort_valid(struct
> fm10k_hw
> > *hw)
> > if (!(dev->data->dev_conf.rxmode.mq_mode &
> > ETH_MQ_RX_VMDQ_FLAG))
> > fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
> >
> > + if (dev->data->dev_conf.intr_conf.lsc != 0)
> > + fm10k_link_update(dev, 0);
> > +
>
> I'll recommend updating link status anyway when port starts, not considering
> lsc set status.
Agree, will send v2.
BRs,
Xiao
